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  2. SEER Data & Software
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  5. Cancer Type-Specific Recodes

Cancer Type-Specific Recodes

Data Documentation
  • SEER Databases in SEER*Stat
    • SEER November 2023 Submission
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  • Variable & Recode Definitions
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      • Collaborative Stage Site-Specific Factors (CS SSF)
      • Localized/Regional/Distant Stage Adjustments
    • Cancer Type-Specific Recodes
      • Breast Subtype (2010+)
      • Derived HER2 Recode (2010+)
      • Site Specific Data Item Recodes
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    • Site Specific Surgery (1983-1997)
    • Tumor Size Over Time Recode
  • Breast Subtype (2010+) - created by combining HER2, ER, and PR fields.
  • Derived HER2 Recode (2010+) - a HER2 summary field derived for unknown values in CS SSF 15.
  • Site Specific Data Item Recodes - documentation for available SSDI variable recodes.
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SEER is supported by the Surveillance Research Program (SRP) in NCI's Division of Cancer Control and Population Sciences (DCCPS). SRP provides national leadership in the science of cancer surveillance as well as analytical tools and methodological expertise in collecting, analyzing, interpreting, and disseminating reliable population-based statistics.

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